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STUDY OF WETTING ON THE NON-IMAGE AREA OF OFFSET PRINTING PLATES BY AN ALTERNATIVE ISO-PROPYL ALCOHOL-FREE FOUNTAIN SOLUTION
- Source :
- ASEAN Engineering Journal. 10
- Publication Year :
- 2021
- Publisher :
- Penerbit UTM Press, 2021.
-
Abstract
- In this study, an alternative aqueous isopropyl alcohol-free fountain solution for sheet-fed offset printing is prepared comprising 5 w/w% McIlvaine's buffer system for pH control, 0.3 w/w% Polysorbate 80 as a surfactant, 1 w/w% magnesium nitrate hexahydrate as a conductivity agent and 10 w/w% ethylene glycol mono-butyl ether as an additional wetting agent. The percentages of each composition are w/w% of active and then adjusted to 100 w/w% by adding distilled water. The contact angles of the obtained fountain solution on non-image areas of three common offset printing plates: CTP plate of Kodak, CTP plate of Huaguang Graphic Co. Ltd (China), and CTP plate of Mylan Printing Media Co. Ltd (Vietnam), range from 10° to 20°.The surface tension, conductivity, pH and viscosity were found to be 30.5 mN/m, 1.45 mS/cm, 4.8, and 1.05 x 10-2 g/cm.s, respectively. In comparison to the commercial fountain solution (KF – Trade Mark (China) containing isopropyl alcohol (IPA), the obtained fountain solution shows similar wettability on the non-image area of the offset printing plate whilst having similar physico-chemical parameters. The results indicate that ethylene glycol mono-butyl ether could be a potential substitute for IPA in fountain solution in offset printing, and the obtained fountain solution displays suitable properties for the offset printing process.
- Subjects :
- Environmental Engineering
Aqueous solution
Materials science
General Chemical Engineering
General Engineering
Analytical chemistry
Energy Engineering and Power Technology
Isopropyl alcohol
Geotechnical Engineering and Engineering Geology
Computer Science Applications
chemistry.chemical_compound
Magnesium nitrate
Distilled water
chemistry
visual_art
visual_art.visual_art_medium
Offset printing
Wetting
Ethylene glycol
Isopropyl
Subjects
Details
- ISSN :
- 25869159
- Volume :
- 10
- Database :
- OpenAIRE
- Journal :
- ASEAN Engineering Journal
- Accession number :
- edsair.doi...........c5881f2abf0f04a8b2c98ca1e254743c